853198740 has 144 divisors (see below), whose sum is σ = 2698375680. Its totient is φ = 217969920.

The previous prime is 853198721. The next prime is 853198741. The reversal of 853198740 is 47891358.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853198741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 596346 + ... + 597774.

It is an arithmetic number, because the mean of its divisors is an integer number (18738720).

Almost surely, 2^853198740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 853198740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349187840).

853198740 is an abundant number, since it is smaller than the sum of its proper divisors (1845176940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853198740 is a wasteful number, since it uses less digits than its factorization.

853198740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1577 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 853198740 is about 29209.5658988627. The cubic root of 853198740 is about 948.4550104371.

The spelling of 853198740 in words is "eight hundred fifty-three million, one hundred ninety-eight thousand, seven hundred forty".